There isn't a tutorial on Minitokyo on XHTML, as there are plenty on the web. xhtml is the current standard for website
structure. Here is an existing thread with some tips and tricks on how to build a webpage and how best to learn
HTML/XHTML:

Do not expect to be applauded when you do the right thing, and do not expect to be
forgiven when you err, but even your enemies will respect commitment, and a conscience at peace is worth a thousand
tainted victories.